oj.uz

Submission #636535

# Submission time Handle Problem Language Result Execution time Memory
636535 2022-08-29T13:29:54 Z mansur Koala Game (APIO17_koala) C++17
100 / 100
 67 ms 356 KB 
#include "koala.h"
#include <bits/stdc++.h>
 
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define ff first
#define ss second
#define dbg(x) cerr << #x << " = " << x << '\n'
#define bit(x, i) ((x) >> (i) & 1)
 
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vvt = vt< vt<int> >;
 
int a[100], b[100];
 
int minValue(int n, int w) {
	cerr << 1;  
    fill(a, a + n, 0);
    a[0] = 1;
    playRound(a, b);
    for (int i = 1; i < n; i++) if (b[i] == 0) return i;
    return 0;
}
 
int maxValue (int n, int w) {	
	cerr << 2;
	vt<int> p(n);
	iota(all(p), 0ll);
	while (sz(p) != 1) {
		fill(a, a + n, 0);
		int x = w / sz(p);
		for (int i: p) a[i] = x;
		playRound(a, b);
		p.clear();
		for (int i = 0; i < n; i++) if (b[i] == x + 1) p.pb(i);
	}
    return p[0];
}
 
int greaterValue (int n, int w) {
	cerr << 3;
	fill(a, a + n, 0);
	int l = 1, r = 13, ans = 0;
	while (l <= r) {
		int mid = l + r >> 1;
		fill(a, a + n, 0);
		a[0] = a[1] = mid;
		playRound(a, b);
		if (b[0] != b[1]) return (b[0] < b[1]);
		if (b[0] > mid && b[1] > mid) ans = mid, l = mid + 1;
		else r = mid - 1;
	}
	a[0] = a[1] = ans;
	playRound(a, b);
	return (b[0] < b[1]);
}
 
bool check (int i, int j, int n, int w) {
	fill(a, a + n, 0);
	a[i] = a[j] = w / 2;
	playRound(a, b);
	return (b[j] > w / 2);
}
 
vt<int> merge_sort (vt<int> &a, int n, int w) {
	if (sz(a) == 1) return a;
	vt<int> l, r;
	for (int i = 0; i < sz(a); i++) {
		if (i < sz(a) / 2) l.pb(a[i]);
		else r.pb(a[i]);
	}
	l = merge_sort(l, n, w);
	r = merge_sort(r, n, w);
	a.clear();
	int i = 0, j = 0;
	while (i < sz(l) && j < sz(r)) a.pb((check(l[i], r[j], n, w) ? l[i++] : r[j++]));
	while (i < sz(l)) a.pb(l[i++]);
	while (j < sz(r)) a.pb(r[j++]);
	return a;
}
 
bool cmp (int i, int j) {
	int l = 1, r = 13, ans = 0;
	while (l <= r) {
		int mid = l + r >> 1;
		memset(a, 0, sizeof(a));
		a[i] = a[j] = mid;
		playRound(a, b);
		if (b[i] != b[j]) return (b[i] < b[j]);
		if (b[i] > mid && b[j] > mid) ans = mid, l = mid + 1;
		else r = mid - 1;
	}
	a[i] = a[j] = ans;
	playRound(a, b);
	return (b[i] < b[j]);
}

void f(vt<int> s, int l, int r, int w, int *p) {   
	if (l == r) {
		p[s[0]] = l;
		return;
	}
	int v = 0;
	for (int x = 1; x <= w / (r - l + 1); x++) {
		int i = r, j = 1;
		int cnt = r - l + 1;
		while (i >= l) {
			int sum = 0;
			while (j < l && sum <= i && cnt <= x) {
				sum += j;
				cnt++;
				j++;
			}
			if (cnt > x) {
				cnt -= x + 1;
				i--;
				continue;
			}
			break;
		}
		if (i >= l && i < r) {
			v = x;
			break;
		}
	}
	for (int i = 0; i < w; i++) a[i] = 0;
	for (int i: s) a[i] = v;
	playRound(a, b);
	vt<int> tl, tr;
	for (int i: s) {
		if (b[i] > v) tr.pb(i);
		else tl.pb(i);
	}
	f(tl, l, l + sz(tl) - 1, w, p);
	f(tr, l + sz(tl), r, w, p);
}
 
void allValues (int n, int w, int *p) {
    if (w == n * 2) {
        vt<int> v(n);
    	iota(all(v), 0ll);	
    	v = merge_sort(v, n, w);
    	for (int i = 0; i < n; i++) p[v[i]] = i + 1;
    	return;
    }
    vt<int> s;
    for (int i = 0; i < n; i++) s.pb(i);
    f(s, 1, n, w, p);
}

Compilation message

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:49:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |   int mid = l + r >> 1;
      |             ~~^~~
koala.cpp: In function 'bool cmp(int, int)':
koala.cpp:89:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   89 |   int mid = l + r >> 1;
      |             ~~^~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 6 ms 208 KB Output is correct
3 Correct 5 ms 208 KB Output is correct
4 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 208 KB Output is correct
2 Correct 13 ms 208 KB Output is correct
3 Correct 14 ms 208 KB Output is correct
4 Correct 18 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 340 KB Output is correct
2 Correct 51 ms 340 KB Output is correct
3 Correct 49 ms 340 KB Output is correct
4 Correct 39 ms 336 KB Output is correct
5 Correct 57 ms 340 KB Output is correct
6 Correct 58 ms 324 KB Output is correct
7 Correct 51 ms 340 KB Output is correct
8 Correct 40 ms 356 KB Output is correct
9 Correct 43 ms 340 KB Output is correct
10 Correct 67 ms 328 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 336 KB Output is correct
2 Correct 39 ms 316 KB Output is correct
3 Correct 40 ms 316 KB Output is correct
4 Correct 30 ms 320 KB Output is correct
5 Correct 30 ms 208 KB Output is correct
6 Correct 28 ms 316 KB Output is correct
7 Correct 27 ms 208 KB Output is correct
8 Correct 30 ms 316 KB Output is correct
9 Correct 40 ms 208 KB Output is correct
10 Correct 27 ms 208 KB Output is correct
11 Correct 36 ms 208 KB Output is correct
12 Correct 23 ms 316 KB Output is correct
13 Correct 29 ms 312 KB Output is correct
14 Correct 25 ms 316 KB Output is correct
15 Correct 25 ms 320 KB Output is correct
16 Correct 24 ms 316 KB Output is correct
17 Correct 26 ms 208 KB Output is correct
18 Correct 26 ms 316 KB Output is correct
19 Correct 25 ms 208 KB Output is correct
20 Correct 25 ms 208 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 3 ms 208 KB Output is correct
4 Correct 5 ms 208 KB Output is correct
5 Correct 5 ms 208 KB Output is correct
6 Correct 4 ms 324 KB Output is correct
7 Correct 4 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 3 ms 324 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 3 ms 316 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 5 ms 324 KB Output is correct
22 Correct 3 ms 280 KB Output is correct
23 Correct 5 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 5 ms 208 KB Output is correct
26 Correct 3 ms 208 KB Output is correct
27 Correct 3 ms 208 KB Output is correct
28 Correct 3 ms 208 KB Output is correct
29 Correct 3 ms 208 KB Output is correct
30 Correct 3 ms 208 KB Output is correct
31 Correct 5 ms 320 KB Output is correct
32 Correct 3 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 3 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct
36 Correct 3 ms 208 KB Output is correct
37 Correct 3 ms 208 KB Output is correct
38 Correct 3 ms 320 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 3 ms 208 KB Output is correct